import { queryNotices } from '@/services/user'

const GlobalModel = {
  namespace: 'global',
  state: {
    currentUser: {},
    collapsed: false,
    notices: [],
  },
  effects: {
    *fetchNotices(_, { call, put, select }) {
      const data = yield call(queryNotices)
      yield put({
        type: 'saveNotices',
        payload: data,
      })
      const unreadCount = yield select(
        state => state.global.notices.filter(item => !item.read).length,
      )
      yield put({
        type: 'user/changeNotifyCount',
        payload: {
          totalCount: data.length,
          unreadCount,
        },
      })
    },

    *clearNotices({ payload }, { put, select }) {
      yield put({
        type: 'saveClearedNotices',
        payload,
      })
      const count = yield select(state => state.global.notices.length)
      const unreadCount = yield select(
        state => state.global.notices.filter(item => !item.read).length,
      )
      yield put({
        type: 'user/changeNotifyCount',
        payload: {
          totalCount: count,
          unreadCount,
        },
      })
    },

    *changeNoticeReadState({ payload }, { put, select }) {
      const notices = yield select(state =>
        state.global.notices.map(item => {
          const notice = { ...item }

          if (notice.id === payload) {
            notice.read = true
          }

          return notice
        }),
      )
      yield put({
        type: 'saveNotices',
        payload: notices,
      })
      yield put({
        type: 'user/changeNotifyCount',
        payload: {
          totalCount: notices.length,
          unreadCount: notices.filter(item => !item.read).length,
        },
      })
    },
  },
  reducers: {
    updateState(state, { payload }) {
      return {
        ...state,
        ...payload,
      }
    },
    saveCurrentUser(state, { payload }) {
      return {
        ...state,
        currentUser: payload || {},
        type: 'user',
      }
    },
    changeLayoutCollapsed(
      state = {
        notices: [],
        collapsed: true,
      },
      { payload },
    ) {
      return { ...state, collapsed: payload }
    },

    saveNotices(state, { payload }) {
      return {
        collapsed: false,
        ...state,
        notices: payload,
      }
    },

    saveClearedNotices(
      state = {
        notices: [],
        collapsed: true,
      },
      { payload },
    ) {
      return {
        collapsed: false,
        ...state,
        notices: state.notices.filter(item => item.type !== payload),
      }
    },
  },
  subscriptions: {
    setup({ history }) {
      // Subscribe history(url) change, trigger `load` action if pathname is `/`
      history.listen(({ pathname, search }) => {
        if (typeof window.ga !== 'undefined') {
          window.ga('send', 'pageview', pathname + search)
        }
      })
    },
  },
}
export default GlobalModel
